candidates, joe biden and paul ryan go at it this thursday, 9:00 eastern, 6:00 pacific. or colleague, martha raddatz will be moderating. let's go to josh. you have information on libya as well. >>> and new information this morning about that attack on the u.s. consulate in libya that did kill the u.s. ambassador. abc news has retained a memo that raised questions about whether the state department rejected warnings from its own staff about security. senior white house correspondent jake tapper joins us this morning with those details. good morning, jake. >> reporter: good morning, josh. that's right, this memo details all the ways the u.s. embassy in libya relied on what is called a security support team. that left in august. the commander of the team tells me he wanted to stay past august and ambassador stevens wanted his team to stay, as well. in the memo, obtained exclusively by abc news, the embassy in libya did not mince words, requesting that the state department keep the 16-member security support team in the country. quite simply, we cannot maintain our existing